Fig 2.
The relationship between regional CBF values of PET and ASL. A virtual straight line of PET-CBF equal to sASL-CBF is drawn in A1 and B1. The sASL-CBF grossly reflects the true CBF, whereas dASL-CBF grossly overestimates the true CBF.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.